Add stderr_output: error to doc/config.yml #794

Job	Run time
Build source distribution	22s
Build and test Linux wheels (python3.8)	1m 5s
Build and test Linux wheels (python3.9)	1m 4s
Build and test Linux wheels (python3.10)	1m 4s
Build and test Linux wheels (python3.11)	1m 3s
Build macOS/x86 wheels (3.8)	57s
Build macOS/x86 wheels (3.9)	43s
Build macOS/x86 wheels (3.10)	1m 3s
Build macOS/x86 wheels (3.11)	56s
Build package from source dist (3.8)	33s
Build package from source dist (3.9)	32s
Build package from source dist (3.10)	33s
Build package from source dist (3.11)	33s
Test macOS/x86 wheels	1s
Upload to PyPI	1s
	10m 30s

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